GPT-4o vs Gemini 2.5 Flash
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o
OpenAIOpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.
| Input | $2.50/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | General coding, multimodal tasks, chatbots |
| Benchmark | 75/100 |
Gemini 2.5 Flash
GoogleGoogle's latest Flash model with improved reasoning. Excellent price-performance for multimodal tasks.
| Input | $0.150/M |
| Output | $0.600/M |
| Context | 1M tokens |
| Best For | Multimodal tasks, video analysis, image understanding |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | Gemini 2.5 Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.02 | Gemini 2.5 Flash saves $0.38 (94%) |
| Medium Feature (10K lines) | $3.06 | $0.17 | Gemini 2.5 Flash saves $2.89 (94%) |
| Large Project (50K lines) | $15.31 | $0.86 | Gemini 2.5 Flash saves $14.45 (94%) |
| Code Review (5K lines) | $0.78 | $0.04 | Gemini 2.5 Flash saves $0.74 (95%) |
Verdict
Gemini 2.5 Flash wins on both price and performance — $0.150/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
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